Twin Lakes
Key Takeaway
Twin Lakes is classified as low hazard in Wisconsin. It was completed in 1908 and is 118 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 10 ft (taller than 17.3% in WI) |
| Dam Length | 157 ft |
| Dam Type | Gravity |
| Max Storage | 93.5K acre-ft |
| Drainage Area | 26 sq mi |
| Max Discharge | 399 cfs |
| Year Completed | 1908 (118 years old) |
| NID ID | WI00808 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Wisconsin Valley Improvement Company
Public Utility
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High Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Twin Lakes?
Twin Lakes is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Twin Lakes?
Twin Lakes is owned by Wisconsin Valley Improvement Company (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twin Lakes built?
Twin Lakes was completed in 1908, making it 118 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Twin Lakes?
Twin Lakes serves the following purposes: Hydroelectric, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Twin Lakes?
Twin Lakes has a dam height of 10 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Twin Lakes last inspected?
Twin Lakes was last inspected on June 12, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.